code: def test_build_signature_errors(self):
      class NoShapeSuffix(layers.Layer):
          def build(self, foo_shape, bar):
              self.built = True
  
          def call(self, foo, bar):
              return foo + bar
  
      class NonMatchingArgument(layers.Layer):
          def build(self, foo_shape, baz_shape):
              self.built = True
  
          def call(self, foo, bar):
              return foo[:, 0] + bar[:, 0]
  
      class MatchingArguments(layers.Layer):
          def build(self, bar_shape, foo_shape):
              self.foo_shape = foo_shape
              self.bar_shape = bar_shape
              self.built = True
  
          def call(self, foo, bar):
              return foo[:, 0] + bar[:, 0]
  
      class SubsetArguments(layers.Layer):
          def build(self, baz_shape, foo_shape):
              self.foo_shape = foo_shape
              self.baz_shape = baz_shape
              self.built = True
  
          def call(self, foo, bar=None, baz=None):
              return foo[:, 0] + bar[:, 0] + baz[:, 0]
  
      class SingleArgument(layers.Layer):
          def build(self, anything_whatsoever):
              self.foo_shape = anything_whatsoever
              self.built = True
  
          def call(self, foo, bar):
              return foo[:, 0] + bar[:, 0]
  
      foo = backend.numpy.ones((4, 1))
      bar = backend.numpy.ones((4, 2))
      baz = backend.numpy.ones((4, 3))
      with self.assertRaisesRegex(
          ValueError,
          r"argument `bar`, which does not end in `_shape`",
      ):
          layer = NoShapeSuffix()
          layer(foo, bar)
  
      with self.assertRaisesRegex(
          ValueError,
          r"`baz_shape`, but `call\(\)` does not have argument `baz`",
      ):
          layer = NonMatchingArgument()
          layer(foo, bar)
  
      # Align by name when build and call arguments match.
      layer = MatchingArguments()
      layer(foo, bar)
      self.assertEqual(layer.foo_shape, foo.shape)
      self.assertEqual(layer.bar_shape, bar.shape)
  
      # Align by name when build supports a subset of call arguments.
      layer = SubsetArguments()
      layer(foo, bar, baz)
      self.assertEqual(layer.foo_shape, foo.shape)
      self.assertEqual(layer.baz_shape, baz.shape)
  
      # When build has only one argument, match the first call argument.
      layer = SingleArgument()
      layer(foo, bar)
      self.assertEqual(layer.foo_shape, foo.shape)
  
imports: import numpy
  import pytest
  from keras import backend
  from keras import layers
  from keras import metrics
  from keras import models
  from keras import ops
  from keras import testing
label_desc: Use image node_id 15 for calling the LayerTest obj's underlying member method code with example usage: obj.test_build_signature_errors() and returns: unknown, unknown, unknown, unknown, unknown